Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293506 | Vacuum switch tube including windmill electrodes | — | 1994-03-08 |
MY
Mitsumasa Yorita
Overall (1994): #89,058 of 165,921Top 55%
1
Patents 1994